The Surface Of The Paper Is Dirty; The Back Side Of The Paper Is Dirty; Printed Colors Are Inaccurate - Canon imagePROGRAF iPF720 User Manual

Problems with the printing quality

The surface of the paper is dirty

The Paper Retainer is soiled.
You are using a paper that does not dry easily.

The back side of the paper is dirty

The Platen has become dirty after borderless printing
or printing on small paper.
The Paper Retainer is soiled.

Printed colors are inaccurate

Color adjustment has not been activated in the
Advanced Settings of the printer driver.
Colors have not been adjusted on the computer or
monitor.
The Printhead nozzles are clogged.
In the printer driver, Application Color Matching
Priority is not selected.
Printhead characteristics gradually change through
repeated use, and colors may change.
Color may change slightly even on the same model
of printer if you use a different version of the rmware
or printer driver, or when you print under different
settings or in a different printing environment.
560 Troubleshooting
Cause
Cause
Cause
Corrective Action
Clean the Paper Retainer.
(→P.540)
Specify a time of about a minute in Roll DryingTime.
Corrective Action
Open the Top Cover and clean the Platen.
(→P.538)
Clean the Paper Retainer.
(→P.540)
Corrective Action
In the Advanced Settings of the printer driver,
access Color Settings in Color Mode to adjust
colors.
Refer to the computer and monitor documentation
to adjust the colors.
Adjust the settings of the color management software,
referring to the software documentation as needed.
Print a test pattern to check the nozzles and see if
they are clogged.
(→P.516)
Click Special Settings on the Layout sheet of the
printer driver and select Application Color Matching
Priority in the dialog box.
Adjust the Printhead alignment.
(→P.491)
(→P.493)
Follow these steps to prepare the printing
environment.
1.
Use the same version of rmware, printer driver,
and other software.
2.
Specify the same value for all settings items.